diff --git a/Locomotives/Locomotives/SetLocomotivesGeneric.cs b/Locomotives/Locomotives/SetLocomotivesGeneric.cs
index 08f13cc..4acfef9 100644
--- a/Locomotives/Locomotives/SetLocomotivesGeneric.cs
+++ b/Locomotives/Locomotives/SetLocomotivesGeneric.cs
@@ -27,6 +27,18 @@
         public bool Insert(T locomotive)
         {
             // TODO проверка на наличие свободных мест
+            T testLocomotive = _places[0];
+            for (int i = 0; i < Count; i++)
+            {
+                if (_places[i] == null)
+                {
+                    testLocomotive = _places[i];
+                }
+            }
+            if (testLocomotive != null)
+            {
+                return false;
+            }
             for (int i = Count - 2; i >= 0; i--)
             {
                 _places[i + 1] = _places[i];